It's in open public beta at the moment. We are a consultancy that work on large iOS application within large teams, with ever aging code-bases, and we built this to make our lives much much easier when it comes to debugging complex view hierarchies.
What's pricing going to look like?
Pricing will be announced when we come out of beta.
If you drag and drop the framework into your project the way Reveal tells you to, that framework will be linked into Release builds (because of the '-ObjC' flag) - so you could accidentally allow people to inspect your published app!